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Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Soil science

stratified

Earth science; Soil science

Arranged in or composed of strata or layers.

Plaggepts

Earth science; Soil science

Inceptisols that have a plaggen epipedon.

microfauna

Earth science; Soil science

Protozoa, nematodes, and arthropods of microscopic size.

toxicity

Earth science; Soil science

Quality, state, or degree of the harmful effect from alteration of an environmental factor.

stoniness

Earth science; Soil science

Classes based on the relative proportion of stones at or near the soil surface. Used as a phase distinction in mapping soils.

equivalent diameter

Earth science; Soil science

In sedimentation analysis of particle size, the diameter assigned to a nonspherical particle; that is, the diameter of a spherical particle of the same density and velocity of ...

humox

Earth science; Soil science

Oxisols that are moist all or most of the time and that have a high organic carbon content within the upper 1 m. Humox have a mean annual soil temperature of <22°C and a base ...